High severity8.8NVD Advisory· Published Jan 13, 2026· Updated Apr 13, 2026
CVE-2026-0880
CVE-2026-0880
Description
Sandbox escape due to integer overflow in the Graphics component. This vulnerability was fixed in Firefox 147, Firefox ESR 115.32, Firefox ESR 140.7, Thunderbird 147, and Thunderbird 140.7.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
34cpe:2.3:a:mozilla:firefox:*:*:*:*:-:*:*:*+ 3 more
- cpe:2.3:a:mozilla:firefox:*:*:*:*:-:*:*:*range: <147.0
- cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:*range: <115.32.0
- (no CPE)range: < 115.32
- (no CPE)range: < 147
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:-:*:*:*+ 2 more
- cpe:2.3:a:mozilla:thunderbird:*:*:*:*:-:*:*:*range: <147.0
- cpe:2.3:a:mozilla:thunderbird:*:*:*:*:esr:*:*:*range: <140.7.0
- (no CPE)range: < 147
- osv-coords27 versionspkg:rpm/almalinux/firefoxpkg:rpm/almalinux/firefox-x11pkg:rpm/almalinux/thunderbirdpkg:rpm/opensuse/firefox-esr&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/MozillaFirefox&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/MozillaFirefox&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/MozillaFirefox&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/MozillaThunderbird&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/MozillaThunderbird&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/MozillaThunderbird&distro=openSUSE%20Tumbleweedpkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP4-ESPOSpkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP4-LTSSpkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP5-ESPOSpkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP5-LTSSpkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Desktop%20Applications%2015%20SP7pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5-LTSSpkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP4-LTSSpkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP5-LTSSpkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP6-LTSSpkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2016.0pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP4pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP5pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP6pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20applications%2016.0pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%20LTSS%20Extended%20Security%2012%20SP5pkg:rpm/suse/MozillaThunderbird&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Package%20Hub%2015%20SP7pkg:rpm/suse/MozillaThunderbird&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2015%20SP7
< 140.7.0-1.el8_10.alma.1+ 26 more
- (no CPE)range: < 140.7.0-1.el8_10.alma.1
- (no CPE)range: < 140.7.0-1.el9_7.alma.1
- (no CPE)range: < 140.7.0-1.el9_7.alma.1
- (no CPE)range: < 140.7.0-1.1
- (no CPE)range: < 140.7.0-150200.152.216.1
- (no CPE)range: < 140.7.0-160000.1.1
- (no CPE)range: < 147.0-1.1
- (no CPE)range: < 140.7.0-150200.8.251.1
- (no CPE)range: < 140.8.1-bp160.1.1
- (no CPE)range: < 140.7.0-1.1
- (no CPE)range: < 140.7.0-150200.152.216.1
- (no CPE)range: < 140.7.0-150200.152.216.1
- (no CPE)range: < 140.7.0-150200.152.216.1
- (no CPE)range: < 140.7.0-150200.152.216.1
- (no CPE)range: < 140.7.0-150200.152.216.1
- (no CPE)range: < 140.7.0-112.295.1
- (no CPE)range: < 140.7.0-150200.152.216.1
- (no CPE)range: < 140.7.0-150200.152.216.1
- (no CPE)range: < 140.7.0-150200.152.216.1
- (no CPE)range: < 140.7.0-160000.1.1
- (no CPE)range: < 140.7.0-150200.152.216.1
- (no CPE)range: < 140.7.0-150200.152.216.1
- (no CPE)range: < 140.7.0-150200.152.216.1
- (no CPE)range: < 140.7.0-160000.1.1
- (no CPE)range: < 140.7.0-112.295.1
- (no CPE)range: < 140.7.0-150200.8.251.1
- (no CPE)range: < 140.7.0-150200.8.251.1
Patches
Vulnerability mechanics
References
6- www.mozilla.org/security/advisories/mfsa2026-01/nvdVendor Advisory
- www.mozilla.org/security/advisories/mfsa2026-02/nvdVendor Advisory
- www.mozilla.org/security/advisories/mfsa2026-03/nvdVendor Advisory
- www.mozilla.org/security/advisories/mfsa2026-04/nvdVendor Advisory
- www.mozilla.org/security/advisories/mfsa2026-05/nvdVendor Advisory
- bugzilla.mozilla.org/show_bug.cginvdPermissions Required
News mentions
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